Sep 1, 1963 CE
First Appearance of Professor Zoom
Eobard Thawne debuts as Professor Zoom in The Flash #139, a mysterious speedster from the 25th century who battles Barry Allen. #DCComics #Flash #firstappearance
Chronological Storyline (46 Milestones)
Oct 1, 1963 CE
Origin Revealed in Flash #140
Eobard Thawne's origin is unveiled: a 25th-century scientist obsessed with the Flash, he replicates the accident that gave Barry Allen his powers, becoming the Reverse-Flash. #DCComics #origin #ReverseFlash
Dec 1, 1963 CE
First Battle with the Flash
Professor Zoom engages Barry Allen in their first major confrontation in The Flash #141, establishing their rivalry. #DCComics #Flash
1964 CE
Reverse-Flash Kills Iris Allen (Retconned)
In a pivotal storyline, Eobard Thawne murders Iris Allen, Barry's wife, but this is later retconned by the Time Trapper. #DCComics #tragedy
1965 CE
Trial of the Flash Prelude
Thawne manipulates events leading to the murder trial of Barry Allen in The Flash #165, showcasing his cunning. #DCComics #trial
1970 CE
Return of Professor Zoom in Flash #200
After a long absence, Thawne resurfaces in The Flash #200, reigniting his vendetta against Barry Allen. #DCComics #return
Jul 1, 1979 CE
Iris Allen's Death Confirmed
In The Flash #275, Reverse-Flash kills Iris Allen, an act that haunts Barry until Crisis on Infinite Earths. #DCComics #death #IrisAllen
Oct 1, 1985 CE
Crisis on Infinite Earths #8 - Thawne's Death
During Crisis on Infinite Earths, Barry Allen kills Professor Zoom by vibrating through his body, erasing Thawne from existence temporarily. #DCComics #crisis #death
1987 CE
Post-Crisis Retcon: Thawne Returns?
Eobard Thawne is resurrected by the Time Trapper in Secret Origins #49, restoring his role as a recurring villain. #DCComics #resurrection
1992 CE
Thawne Impersonates Barry Allen to Torment Wally
In The Return of Barry Allen, Thawne uses his speed to mimic Barry's powers and identity, psychologically torturing Wally West. #DCComics #imposter #WallyWest
1992 CE
The Return of Barry Allen Story
In The Flash (vol. 2) #74-79, Thawne impersonates Barry Allen, tormenting Wally West and revealing his mastery of time travel. #DCComics #WallyWest #impersonation
1994 CE
Negative Speed Force Introduced
The Flash (vol. 2) #0 reveals that Thawne created the Negative Speed Force, a dark mirror of the Speed Force that powers his abilities. #DCComics #NegativeSpeedForce #powers
1995 CE
Thawne Kills His Own Ancestor?
In a bizarre time paradox, Thawne's actions lead to the death of his own ancestor, endangering his own existence. #DCComics #paradox
1996 CE
The Flash #100 - Thawne's Resurgence
In The Flash (vol. 2) #100 (with #0 being earlier), Thawne battles Wally West and reveals his connection to the Speed Force. #DCComics #milestone
2000 CE
The Flash: Our Worlds at War
Thawne sides with Imperiex during the Our Worlds at War event, using the Negative Speed Force to enhance his power. #DCComics #event
2001 CE
Rogue War Prelude
Thawne manipulates the Rogues in The Flash (vol. 2) #192-200, leading to the Rogue War storyline. #DCComics #Rogues
2003 CE
Thawne's Role in Identity Crisis
Though not directly involved, Thawne's manipulation of time is cited as a factor in the events of Identity Crisis. #DCComics #IdentityCrisis
2005 CE
Infinite Crisis Cameo
Eobard Thawne appears in Infinite Crisis #7 as part of the Legion of Doom, but plays a minor role. #DCComics #InfiniteCrisis
2006 CE
Thawne vs. the Justice League
In Justice League of America (vol. 2) #0-7, Thawne battles the JLA, showcasing his speed and time-travel abilities. #DCComics #JusticeLeague
2008 CE
Final Crisis: Rogues' Revenge
Thawne returns in Final Crisis: Rogues' Revenge, where he battles the Rogues after Inertia's betrayal. #DCComics #FinalCrisis
2008 CE
Thawne's Betrayal by the Legion of Doom
During the Legion of Doom's schemes, Thawne is betrayed by Lex Luthor, leading to a temporary setback. #DCComics #LegionOfDoom
Jun 1, 2009 CE
Flash: Rebirth - Thawne's Return
In The Flash: Rebirth #1-6, Eobard Thawne manifests as a Negative Speed Force entity, haunting Barry Allen's return. #DCComics #Rebirth #BarryAllen
2010 CE
The Flash: Blackest Night Tie-In
Thawne briefly returns as a Black Lantern during the Blackest Night event, attacking the Flash family. #DCComics #BlackestNight
May 1, 2011 CE
Flashpoint - Nora Allen Murder
In Flashpoint #1, Thawne kills Nora Allen (Barry's mother), altering the timeline and creating a fractured world. #DCComics #Flashpoint #NoraAllen
Aug 1, 2011 CE
Flashpoint Ending: Thawne Erased
Barry Allen reverses the timeline and defeats Thawne, but the Paradox results in the New 52 reboot. #DCComics #Flashpoint #timeline
Nov 1, 2012 CE
New 52: Thawne's Return
In The Flash (vol. 4) #12, Thawne returns as a Reverse-Flash from the Speed Force, now with a new origin tied to the Negative Speed Force. #DCComics #New52
2012 CE
Thawne's Role in 'The Flash: Rogues Rebellion'
In Rogues Rebellion #1-6, Thawne manipulates the Rogues into attacking Gorilla Grodd, revealing his long-term plans. #DCComics #Rogues
2013 CE
Thawne's Connection to the Speed Force Storm
In The Flash (vol. 4) #23-25, Thawne causes a Speed Force storm that empowers new speedsters, complicating Barry's life. #DCComics #SpeedForce
2013 CE
The Flash Annual #2 - Thawne's Origin Expanded
The New 52 annual details Thawne's 25th-century origins and his obsession with Barry Allen, including his transformation into the Reverse-Flash. #DCComics #origin #New52
2014 CE
Forever Evil Cameo
Thawne appears briefly in Forever Evil as part of the Crime Syndicate's forces, but is quickly defeated. #DCComics #ForeverEvil
2015 CE
Convergence: Thawne's Prison
During the Convergence event, Thawne is trapped in a dome with other villains, but escapes using his Negative Speed Force. #DCComics #Convergence
2015 CE
DC Universe: Rebirth - Thawne's Message
In DC Universe: Rebirth #1, Thawne is revealed to be trapped in the Speed Force, sending a cryptic message to Barry about the missing ten years and Doctor Manhattan. #DCComics #Rebirth #mystery
Aug 1, 2016 CE
The Flash: Rebirth (2016) - Thawne's Escape
In The Flash (vol. 5) #1-4, Thawne escapes the Speed Force and battles Barry, revealing his connection to the Negative Speed Force. #DCComics #Rebirth #BarryAllen
2017 CE
The Flash: The Button Crossover
In Batman/The Flash: The Button #1-2, Thawne's involvement with the Comedian's button leads to a confrontation with Batman and Flash, and hints at the Watchmen connection. #DCComics #TheButton #crossover
2018 CE
The Flash: Year One - Thawne's Origin Revisited
In The Flash (vol. 5) #50-54, Thawne manipulates time to alter Barry's origin, leading to the Year One storyline. #DCComics #YearOne #origin
2019 CE
The Flash: The Negative Flash
Thawne creates a Negative Flash version of himself to torment Barry, a being with inverted speed powers. #DCComics #NegativeFlash
2019 CE
The Flash: Future Flash
Thawne disguises himself as a future Flash, terrorizing the present and forcing Barry to confront his legacy. #DCComics #future #villainy
2020 CE
Speed Metal Revelation
In Speed Metal, Thawne is revealed to be the source of the Negative Speed Force that powers the Metal Men's transformation. #DCComics #SpeedMetal
2020 CE
Thawne's Role in Dark Nights: Death Metal
In Dark Nights: Death Metal, Thawne aligns with the Batman Who Laughs, supplying Negative Speed Force energy. #DCComics #DeathMetal
2021 CE
The Flash: Death of the Speed Force
Thawne declares war on the Speed Force itself, seeking to destroy it and all speedsters in The Flash (vol. 5) #762-767. #DCComics #SpeedForce #war
2022 CE
The Flash: One-Minute War - Thawne's Gambit
Thawne leads a coalition of speedsters to compress time, nearly winning before being stopped by the Flash family. #DCComics #OneMinuteWar
2022 CE
One-Minute War Event
Thawne allies with other villains to compress time, nearly destroying reality in the One-Minute War story arc. #DCComics #event #time
2023 CE
The Flash: Finish Line
Thawne's rivalry with Barry Allen culminates in The Flash #800 (Finish Line), where they clash one last time, with Thawne apparently trapped in the Speed Force forever. #DCComics #finale #BarryAllen
2023 CE
Thawne's Apparent Death in The Flash #800
In the milestone issue, Thawne is seemingly destroyed by Barry Allen in a final battle, but hints suggest he survives. #DCComics #milestone #death
2024 CE
Thawne's Return in 'The Flash' Vol. 6
Eobard Thawne is revealed to be the mastermind behind new threats in the ongoing series, promising more chaos. #DCComics #return #ongoing
2024 CE
Thawne Returns as 'Reverse-Flash Prime'
In ongoing titles, Thawne reemerges with new powers, claiming to be the true Reverse-Flash Prime, threatening the entire DC multiverse. #DCComics #multiverse #return